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Phylogenetic Trees03:21

Phylogenetic Trees

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Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.
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Phylogeny01:23

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Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire kingdom.
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Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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A Practical Guide to Phylogenetics for Nonexperts
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PhyloScape: interactive and scalable visualization platform for phylogenetic trees.

Jiajia Wang1, Bo Zhang1,2, Linglu Zheng1

  • 1Computer Network Information Center, Chinese Academy of Sciences, Beijing, 100083, China.

BMC Bioinformatics
|July 10, 2025
PubMed
Summary
This summary is machine-generated.

PhyloScape offers interactive visualization of phylogenetic trees for bioinformatics. This web-based platform supports multiple scenarios and metadata annotation for evolutionary relationship analysis.

Keywords:
EvolutionJavaScript libraryPhylogenetic tree visualizationPlug-inWeb application

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Evolutionary Biology

Background:

  • Increasing volume of phylogenomic data necessitates advanced bioinformatics analyses.
  • Constructing and visualizing evolutionary relationships is becoming more complex.
  • Phylogenetic visualization tools require support for multiple analytical scenarios.

Purpose of the Study:

  • To introduce PhyloScape, a web-based application for interactive phylogenetic tree visualization.
  • To provide a flexible and customizable platform for researchers to analyze and present evolutionary data.
  • To enable integration of phylogenetic visualization into existing research workflows.

Main Methods:

  • Development of a web-based application (PhyloScape) for phylogenetic tree visualization.
  • Implementation of customizable visualization features and a metadata annotation system.
  • Creation of extensions for visualizing amino acid identity, geometry, and protein structure.

Main Results:

  • PhyloScape enables stand-alone use or deployment as a toolkit on user websites.
  • The platform offers interactive and publishable views of phylogenetic trees with flexible metadata.
  • Extensions support applications in microbial taxonomy, pathogen phylogeny, and plant conservation.
  • Trees can be shared and integrated via unique web addresses.

Conclusions:

  • PhyloScape is a scalable platform with online plug-ins for diverse research scenarios.
  • The application facilitates easy combination of tools for specific phylogenetic analysis needs.
  • PhyloScape is freely available for use by the research community.